Recovering 2FA IF I HAVE LOST MY PHONE

Harrington James Carroll 0 Reputation points
2026-11-11T11:50:29.24+00:00

Hello, I had lost my iphone and gotten a new one without the ability top transfer data over (since I lost it) my outlook account when trying to log back in it requested a verification code from microsoft authenticator, which would’ve not been a problem but as i went to open the authenticator, i have also been logged out…. only for it to say I need a authentication code to sign in, from the app, while on the app…. and given 1 other option which requires me to be signed in on the app... I do not have an admin that can reset the 2fa for me

Microsoft 365 and Office | Subscription, account, billing | For business | Other
0 comments

2 answers

Sort by: Most helpful
Most helpful Newest Oldest
  1. BabybooHN 3,895 Reputation points Independent Advisor
    2026-11-11T15:05:14.04+00:00

    Dear @Harrington James Carroll

    Since this is a Microsoft 365 Business account, I recommend trying Sign in another way on the sign-in page first. Use any verification method you previously registered that you can still access.

    If none works, the next step depends on your role:

    • If you’re an employee: Contact your company’s IT provider, Microsoft 365 administrator, or the reseller that manages the subscription. An authorized administrator can reset your MFA registration and help you register Authenticator on the new phone.
    • If you own the business and are the only Global Administrator: Contact Microsoft 365 Business support⁠ using the regional phone-support route. Ask them to open a sole-administrator tenant-access recovery case because you cannot complete MFA or access the admin center. Microsoft will need to verify tenant ownership before restoring access.

    You can tell support:

    I lost the phone registered for Microsoft Authenticator. I am the only Global Administrator, have no usable alternative verification method, and cannot sign in to submit a support request. Please help initiate administrator account recovery.

    Are you the business owner and only Global Administrator, or are you using an account provided by your employer?

    Was this answer helpful?

    0 comments

  2. AI answer

    2026-11-11T11:51:38.28+00:00

    If this is a personal Outlook.com account, select I don’t have any of these at the identity-verification screen to replace the inaccessible Authenticator security information.

    Personal Outlook.com, Hotmail, or Live account

    1. Start signing in with your email address and password.
    2. At Verify your identity, select I don’t have any of these.
    3. Enter a new email address or phone number that you can access and complete the replacement prompts.
    4. After the security information is replaced, Microsoft requires a 30-day waiting period before you can sign in with the new method. Using the old security information during that period cancels the replacement request.^1^

    If another registered method—such as an alternate email, mobile number, recovery code, or security key—is offered, use that instead. After signing in, add the new phone as a verification method and remove the lost device.

    If I don’t have any of these is missing, use Microsoft’s Sign-in Helper to identify the available recovery route.^2^

    A significant limitation applies: if you enabled two-step verification and cannot access any alternate verification method, the Microsoft account recovery form cannot bypass two-step verification. Support agents also cannot send a code or manually change the account’s security details.^3^

    Work or school Microsoft 365 account

    A work or school account is usually issued by an employer, university, or a Microsoft 365 tenant and may end in a custom domain or .onmicrosoft.com.

    1. On the verification screen, first look for Sign in another way, Other verification options, or I don’t have any of these.
    2. If I don’t have any of these appears, select it and follow the prompts to replace the security information. Microsoft’s guidance states that replacement can require a 30-day wait before sign-in.^4^
    3. If that option is unavailable or unsuccessful, an organization’s help desk normally must clear the old authentication settings. The next sign-in then prompts registration of Authenticator on the new phone.^4^

    Because you stated there is no other administrator, if this is the tenant’s only administrator account and no self-service replacement option works, contact Microsoft business support and state:

    I am the sole administrator of a Microsoft 365 tenant and have lost every registered MFA method after losing my phone. I need tenant ownership verification and recovery of administrator access.

    Use the Work account section on Microsoft’s support page to find the available support channel for your region.^5^ Be prepared to prove ownership of the tenant or its domain. Do not create repeated verification requests while waiting, because excessive attempts can cause a temporary block.^1^

    Once access is restored, register at least two independent methods—for example, Authenticator plus a permitted backup method—and remove the lost iPhone’s registration.

    References

    1. Troubleshoot Microsoft verification code issues | Microsoft Support
    2. I can't sign in to my Microsoft account | Microsoft Support
    3. Help with the Microsoft account recovery form | Microsoft Support
    4. Common problems with two-step verification for a work or school account
    5. Contact Microsoft customer support | Microsoft Support
    AI-generated content may be incorrect. Read our transparency notes for more information.

    Was this answer helpful?

Your answer

Answers can be marked as 'Accepted' by the question author and 'Recommended' by moderators, which helps users know the answer solved the author's problem.